KR102223558B1 - Vertically moving screen door with structure for manual opening and closing - Google Patents

Abstract

A pair of vertical frames extending in a vertical direction, a horizontal frame extending in a horizontal direction to connect the upper ends of the pair of vertical frames to each other, and a first door installed to move in a vertical direction along the pair of vertical frames Disclosed is a structure of a screen door device that includes a leaf and a second door leaf, and can easily open and close the screen door manually.

Description

Vertically moving screen door with structure for manual opening and closing}

The present invention relates to a vertical opening and closing type screen door, and more particularly, to a structure of a screen door having a structure for manual opening and closing.

A structure of a screen door for protecting pedestrians or vehicle passengers from vehicles has been disclosed. There are two types of screen doors that open and close vertically and open and close in the left and right directions.

In a horizontally open/closed type screen door, a driving device that provides a force capable of overcoming the frictional force when the screen door moves in the left and right directions can be used. However, since the vertically opened and closed screen door must move in the vertical direction, the force that gravity exerts on the screen door must be further considered. In order to offset the force caused by gravity, a counterweight can be installed together in a vertically openable screen door.

Meanwhile, structures and devices that allow passengers to manually open and close a screen door in case of an emergency are being developed.

In the present invention, it is intended to provide a screen door having a configuration capable of opening and closing the screen door easily and quickly in case of emergency without exerting great effort.

A pair of vertical frames 510 and 520 extending in a vertical direction (z-axis) according to an aspect of the present invention; A horizontal frame 530 extending in a horizontal direction (y-axis) to connect the upper ends of the pair of vertical frames to each other; And a first door leaf 40 and a second door leaf 50 installed to move in a vertical direction along the pair of vertical frames. At this time, in the first vertical frame 510 of the pair of vertical frames, a screw 180 is coupled to the driving motor 190 and installed so as to be rotatable by a driving motor 190, and the screw 180 A screw movable part 11 is coupled to a part of the screw 180 so that the screw 180 can be rotated, and a movable part fixing piece 12 is fixedly coupled to one side of the screw movable part 11, and the movable part fixing piece (12) A block fixing piece 13 is fitted and coupled, and a first rotation driving part 200 having a part fixedly coupled to the first door leaf 40 on one side of the block fixing piece 13 It is fixedly coupled to the other part of the movable part 12 and the block fixing piece 13 may be fitted with a connection pin 10 to fix the part to be coupled.

At this time, the block fixing piece 13 is extended to one end of the'b'-shaped handle portion 601 and the handle portion 601 for fixedly coupled to the other portion of the first rotation driving unit 200 And, it includes a'N'-shaped tongs portion 602 in which the concave portion 603 is formed, and the N-shaped tongs portion 602 has a pair of second pins for coupling the connection pins in the horizontal direction. Two connection pin through holes 332 may be formed.

At this time, the movable part fixing piece 12 has a shape of the concave part 603 so as to be fitted to the concave part 602 in a'b'-shaped bottom part 621, and a portion on the bottom part 621 It includes a convex portion 622 having, and the convex portion 622 of the movable portion fixing piece 12 is formed with a first connection pin through hole 322 through which the connection pin 10 is coupled, and the A screw passage hole 321 through which the screw passes may be formed in the bottom part 621 of the movable part fixing piece 12.

In addition, the first rotation driving unit 200 includes a first chain segment 161, a first block 41, a second chain segment 162, and a first weight 171, and the first One end of the first chain segment 161 is fixedly coupled to the first end of the first block of the block, and one end of the second chain segment 162 is fixed to the second end of the first block And the third end of the first block 41 is fixedly coupled to the first door leaf 40, and the fourth end of the first block 42 is attached to the block fixing piece 13 It is fixedly coupled, and the other end of the first chain segment 161 and the other end of the second chain segment 162 may be fixedly coupled to each other by the first weight 171.

In this case, the first chain segment and the second chain segment may be movably coupled to the outer circumferential surfaces of the plurality of front sprockets 111, 112, 121, and 122.

At this time, the front sprocket includes a pair of upper front sprockets 111 and 112 and a pair of lower front sprockets 121 and 122, and the pair of upper front sprockets 111 and 112 is a predetermined distance The pair of lower front sprockets 121 and 122 may be installed to have a predetermined distance.

And it may further include an upper screw fixing bearing portion 182 and a lower screw fixing bearing portion 181 respectively coupled to the upper and lower sides of the screw to fix the screw.

At this time, the second front sprocket 112 of the plurality of front sprockets is fixedly coupled to the upper rear sprocket 231 through the first shaft 17, and the fourth front sprocket 122 of the plurality of front sprockets is One end of the third chain segment 261 is fixedly coupled to the lower rear sprocket 232 through the two shaft 18, and at one end of the second block 51 fixedly coupled to the second door leaf 50 Is fixedly coupled, and one end of the fourth chain segment 262 is fixedly coupled to the other end of the second block, and the other end of the third chain segment 261 and the fourth chain segment 262 The other ends of the are fixedly coupled to each other by a second weight 271, and the third chain segment and the fourth chain segment are movably coupled to the outer circumferential surfaces of the rear sprockets 231 and 232. I can.

In this case, the diameter of the rear sprocket may be larger than the diameter of the front sprocket by a predetermined value.

According to the present invention, it is possible to provide a screen door having a configuration capable of opening and closing the screen door in case of an emergency without exerting great effort.

1 shows a screen door apparatus according to an embodiment of the present invention.
2 is a diagram illustrating a structure of a front surface of a first vertical frame according to an embodiment of the present invention.
3 is a view for explaining the structure of the rear surface of the first vertical frame according to an embodiment of the present invention.
4 is a cross-sectional view of a first vertical frame viewed in the x-axis direction according to an embodiment of the present invention.
5 is a view for explaining a coupling relationship between a screw movable part, a movable part fixing piece, and a block fixing piece according to an embodiment of the present invention.
6 is a view for explaining a coupling relationship between a movable part fixing piece, a block fixing piece, a first block, and a first door leaf according to an embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings. However, the present invention is not limited to the embodiments described in the present specification, and may be implemented in various different forms. The terms used in the present specification are intended to aid understanding of the embodiments, and are not intended to limit the scope of the present invention. In addition, the singular forms used below also include plural forms unless the phrases clearly indicate the opposite meaning.

1 shows a screen door apparatus 1 according to an embodiment of the present invention.

The screen door device 1 includes a pair of vertical frames 510 and 520 extending in the vertical direction, and a horizontal frame extending in the horizontal direction to connect the upper ends of the pair of vertical frames 510 and 520 to each other. 530). In addition, the first door leaf 40 and the second door leaf 50 may be installed to move in a vertical direction along the pair of vertical frames 510 and 520.

A first slit 610 and a second slit 611 are formed on one side of the second vertical frame 520 of the pair of vertical frames 510 and 520, and the first slit 610 and the second slit Along 611, the first door leaf 40 and the second door leaf 50 may slide in a vertical direction.

2 is a view for explaining the structure of the front surface of the first vertical frame 510 according to an embodiment of the present invention.

The first vertical frame 510 includes a DCU 191, a driving motor 190, a screw 180, a screw movable part 11, a movable part fixing piece 12, a block fixing piece 13, and a first block 41 , The first chain segment 161 and the second chain segment 162, the first weight 171, and may include a front sprocket (111, 112, 121, 122).

In this case, the first chain segment 161 and the second chain segment 162 may be integrated and referred to as a first chain 16.

The DCU 191 may be installed under the first vertical frame 510 to control the driving of the driving motor 190. In this case, a DCU may be installed under the second vertical frame 520 as well.

In order to make the left and right sides of the door leaf horizontal when the first door leaf 40 and the second door leaf 50 rise or fall, respectively, the DCU 191 of the first vertical frame 510 through a control line. ) And the DCU of the second vertical frame 520 may be connected to each other. Accordingly, the DCU 191 of the first vertical frame 510 and the DCU of the second vertical frame 520 may be synchronized with each other.

A rotation shaft (not shown) for rotating the screw 180 is formed on one side of the driving motor 180, and the screw 180 may be coupled to the rotation shaft. When the driving motor 180 is driven, the screw 180 may rotate.

In this case, an upper screw fixing bearing part 182 and a lower screw fixing bearing part 181 may be respectively coupled to the upper and lower sides of the screw 180 so as to fix the screw 180.

A screw movable part 11 may be coupled to a part of the screw 180 between the upper screw fixing bearing part 182 and the lower screw fixing bearing part 181. In this case, the screw 180 is a screw movable part. It may be coupled so that it can rotate through (11).

A movable part fixing piece 12 may be fixedly coupled to one side of the screw movable part 11. In addition, a block fixing piece 13 may be fitted to the movable part fixing piece 12 to fit the shape of the movable part fixing piece 12 to be coupled.

A portion of the block fixing piece 13 may be fixedly coupled by overlapping with the first block 41. In this case, the first block 41 may be fixedly coupled to the first door leaf 40.

One end of the first chain segment 161 may be fixed to one end of the first block 41, and one end of the second chain segment 162 may be fixed to the other end of the first block 41 Can be combined.

In this case, the first weight 171 may connect the other end of the first chain segment 161 and the other end of the second chain segment 162 to each other. That is, the other end of the first chain segment 161 may be fixedly coupled to one end of the first weight 171, and the second chain segment 162 is at the other end of the first weight 171 The other end of the may be fixedly coupled.

A pair of upper front sprockets 111 and 112 and a pair of lower front sprockets 121 and 122 may be installed on the upper side and the lower side of the first vertical frame 510, respectively.

At this time, the outer circumferential surfaces of each of the front sprockets 111, 112, 121, and 122 may have the shape of a cogwheel.

The first chain segment 161 and the second chain segment 162 may be movably coupled to the outer circumferential surfaces of the front sprockets 111, 112, 121 and 122. Each of the chain segments (161, 162) may take a form that can be combined so that it can be rotated by meshing with the cogwheel of the front sprocket.

The first upper front sprocket 111 and the second upper front sprocket 112 are installed to have a predetermined distance from each other, and the first lower front sprocket 121 and the second lower front sprocket 122 are predetermined from each other. It may be installed to have a certain distance.

A drive motor 190, a screw 180, a screw movable part 11, a movable part fixing piece 12, in an internal space formed by the distance between the upper front sprockets 111 and 112 being spaced apart with a predetermined predetermined distance. And there is an effect that the block fixing piece 13 is installed so as not to occupy a separate space.

The first chain segment 161, the first block 41, the second chain segment 162, and the first weight 171 may be combined to be referred to as a first rotation driving unit 200.

The structure of the second vertical frame 520 may be the same as the structure of the first vertical frame 510 described above.

3 is a view for explaining the structure of the rear surface of the first vertical frame 510 according to an embodiment of the present invention.

The first vertical frame 510 includes a first shaft 17, a second shaft 18, an upper rear sprocket 231, a lower rear sprocket 232, a third chain segment 261, and a fourth chain segment 262. ), a second block 51, and a second weight 271 may be further included.

In this case, the third chain segment 261 and the fourth chain segment 262 may be integrated and referred to as a second chain 26.

The second upper front sprocket 112 may be fixedly coupled to the upper rear sprocket 231 through the first shaft 17. That is, one end of the first shaft 17 may be fixedly coupled to the second upper front sprocket 112, and the other end of the first shaft may be fixedly coupled to the upper rear sprocket 231.

In addition, the second lower front sprocket 122 may be fixedly coupled to the lower rear sprocket 232 through the second shaft 18. That is, one end of the second shaft may be fixedly coupled to the second lower front sprocket 122, and the other end of the second shaft 18 may be fixedly coupled to the lower rear sprocket 232.

At this time, the outer circumferential surfaces of each of the rear sprockets 231 and 232 may have a cogwheel shape. In addition, the radius R2 of each of the rear sprockets 231 and 232 may be larger than the diameter R1 of each of the front sprockets 111, 112, 121, and 122 by a predetermined value.

A fourth chain segment 262 is installed to be movably coupled to the outer circumferential surface of the upper rear sprocket 231, and a third chain segment 261 to be movably coupled to the outer circumferential surface of the lower rear sprocket 232. ) May be installed.

At this time, one end of the third chain segment 261 is fixedly coupled to one end of the second block 51, and one end of the fourth chain segment 262 is fixed to the other end of the second block 51. May be combined.

And the other end of the third chain segment 261 is fixedly coupled to one end of the second weight 271, and the other end of the fourth chain segment 262 is connected to the other end of the second weight 271 May be fixedly coupled.

In this case, the second block 51 may be fixedly coupled to the second door leaf 50.

Hereinafter, a driving process of the screen door will be described with reference to FIGS. 2 to 3 together.

When the driving motor 190 is driven by the DCU 191, the screw 180 rotates. When the screw movable part 11, the movable part fixing piece 12, the block fixing piece 13, and the first block 41, which are coupled to the screw 180 as the screw 180 rotates, rises in the vertical direction. , The first door leaf 40 fixedly coupled to the first block 41 also rises in the vertical direction.

At this time, as the first block 41 rises, the first weight 171 descends, and the front sprockets 111, 112, 121, and 122 rotate according to the movement of the second chain segment 162. .

When the front sprockets 111, 112, 121 and 122 rotate, the upper rear sprocket 231 is rotated by the first shaft 17 fixedly coupled to the second upper front sprocket 112. In addition, the lower rear sprocket 232 is also rotated by the second shaft 18 fixedly coupled to the second lower front sprocket 122.

As the upper rear sprocket 231 and the lower rear sprocket 232 rotate, the fourth chain segment 262 and the third chain segment 261 engaged with the upper rear sprocket 231 and the lower rear sprocket 232, respectively. When this is moved, the second block 51 fixedly coupled to the fourth chain segment 262 and the third chain segment 261 rises.

Accordingly, the second door leaf 50 fixedly coupled to the second block 51 also rises in the vertical direction.

At this time, as described above, the radius R2 of each of the rear sprockets 231 and 232 may be larger than the radius R1 of each of the front sprockets 111, 112, 121, and 122 by a predetermined value. That is, the linear speed of the front sprockets 111, 112, 121, and 122 may be greater than the linear speed of the rear sprockets 231 and 232. Therefore, when the first door leaf 40 and the second door leaf 50 are raised to the end in the vertical direction, the first door leaf 40 may be positioned above the second door leaf 50.

4 is a cross-sectional view of the first vertical frame 510 viewed in the y-axis direction according to an embodiment of the present invention.

An installation plate 511 may be installed in the center of the first vertical frame 510. Based on the installation plate 511, the front (2) and the rear (3) can be distinguished.

Looking at the front side (2), a first upper front sprocket 111 and a first lower front sprocket 121 are installed on the upper and lower sides, respectively, and the first upper front sprocket 111 and the first lower front sprocket ( The first chain 16 may be engaged along the outer circumferential surface of 121).

Looking at the rear surface 3, an upper rear sprocket 231 and a lower rear sprocket 232 are installed on the upper and lower sides, respectively, and a second rear sprocket 231 and a second rear sprocket 232 along the outer circumferential surfaces of the upper rear sprocket 231 and the lower rear sprocket 232 are installed. The chain 26 may be engaged.

A DCU 191 may be installed below the front surface 2 of the first vertical frame 510.

5 is a view for explaining a coupling relationship between the screw movable part 11, the movable part fixing piece 12, and the block fixing piece 13 according to an embodiment of the present invention.

Figure 5 (a) shows a front view of the combination of the screw movable part 11, the movable part fixing piece 12, and the block fixing piece 13 according to an embodiment of the present invention, and FIG. It shows a perspective view of the combination of the screw movable part 11, the movable part fixing piece 12, and the block fixing piece 13 according to an embodiment of the present invention. It shows the exploded view of the coupling of the movable part 11, the movable part fixing piece 12, and the block fixing piece 13.

Hereinafter, a description will be given with reference to FIGS. 5A to 5C.

A screw through hole is formed in the screw movable part 11 so that the screw 180 can pass therethrough, and the screw 180 may be coupled to be rotatable.

Therefore, when the screw rotates, the screw movable part 11 may rise or fall according to the rotation direction of the screw.

A movable part fixing piece 12 may be fixedly coupled to one side of the screw movable part 11.

The movable portion fixing piece 12 includes a'b'-shaped bottom portion 621, and a convex portion 622 formed in a portion on the bottom portion 621, and the bottom portion and the convex portion are integrally formed. There may be. The convex portion 622 may have a shape of the concave portion 603 so as to be fitted into the concave portion 602 to be described below.

A screw passage hole 321 may be formed on the bottom portion 621 of the movable portion fixing piece 12, that is, a surface abutting the screw moving portion 11. In addition, a first connection pin through hole 322 may be formed in the convex portion 622 of the movable part fixing piece 12.

A block fixing piece 13 may be fitted to the movable part fixing piece 12 to fit the shape of the movable part fixing piece 12 to be coupled.

The block fixing piece 13 is extended to one end of the handle portion 601 and the handle portion 601 of a'b' shape for fixedly coupled to the other portion of the first rotation driving portion 200, It includes a'N'-shaped tongs portion 602 in which the concave portion 603 is formed, and the handle portion and the tongs portion may be integrally formed.

A pair of second connection pin through holes 332 through which the connection pins are coupled in a horizontal direction may be formed in the clamp portion 602 of the block fixing piece 13.

In addition, one or more holes may be formed in the handle portion 601 of the block fixing piece 13 to be fixedly coupled to the first block (see FIG. 2 ).

At this time, the connection pin 10 is inserted through the first connection pin through hole 322 and the second connection pin through hole 332 formed in the portion where the movable part fixing piece 12 and the block fixing piece 13 overlap. I can. The connection pin 10 is for allowing a passenger to escape by raising the screen door in an emergency, and in an emergency, the connection pin 10 may be separated from the movable part fixing piece 12 and the block fixing piece 13.

An unlocking line 1100 may be fixed to and connected to one end of the connection pin 10. In addition, a handle 1101 may be fixedly connected to an end of the unlocking line 1100. The handle 1101 is for allowing the passenger to manually move the screen door.

When the passenger pulls the handle 1101, the connection pin 10 may be separated from the movable part fixing piece 12 and the block fixing piece 13. Thereafter, when the passenger lifts the door leaf, the first block fixedly connected to the door leaf and the block fixing piece 13 fixedly connected to the first block are raised. At this time, since the first weight (refer to FIG. 2) moves in the direction of gravity, the passenger can easily lift the door leaf by the first weight.

6 is a view for explaining a coupling relationship between the movable part fixing piece 12, the block fixing piece 13, the first block 41, and the first door leaf 40 according to an embodiment of the present invention.

6(a) is a view showing the coupling relationship between the movable part fixing piece 12, the block fixing piece 13, the first block 41, and the first door leaf 40, and FIG. 6(b) Is a diagram showing the coupling relationship between the first block 41 and the first door leaf 40 in more detail.

Hereinafter, a description will be given with reference to FIGS. 6A and 6B together.

As described above, one or more holes for being fixedly coupled to the first block 41 may be formed on the other side of the block fixing piece 13.

In addition, the first block 41 may also have the same number of holes as the number of holes in the block fixing piece 13 so as to correspond to the positions of one or more holes of the block fixing piece 13.

The hole of the block fixing piece 13 and the hole of the first block 41 may be fixedly coupled using connection pins, bolts and nuts, or other connectable ones.

In order to connect the first block 41 and the first door leaf fixedly, first coupling portions 411 and 412 may be formed on one side of the first block toward the first door leaf 40. . In addition, second coupling portions 401 and 402 may be formed on one side of the first door leaf toward the first block 41.

The first coupling portions 411 and 412 and the second coupling portions 401 and 402 may have a structure that can be coupled to each other.

Using the above-described embodiments of the present invention, those belonging to the technical field of the present invention will be able to easily implement various changes and modifications within the scope not departing from the essential characteristics of the present invention. The content of each claim in the claims may be combined with other claims that do not have a citation relationship within the range that can be understood through the present specification.

1: screen door device 10: connection pin
11: screw movable part 12: movable part fixing piece
13: block fixing piece 17: 1st axis
40: first door leaf 41: first block
50: second door leaf 51: second block
111, 112, 121, 122: front sprocket 161: first chain segment
162: second chain segment 171: weight
180: screw 181: lower screw fixing bearing part
182: upper screw fixing bearing part 190: drive motor
191: DCU 231, 232: rear sprocket
261: third chain segment 262: fourth chain segment
271: second weight 321: screw through hole
322: first connection pin through hole 332: second connection pin through hole
401, 402: second coupling portion 411, 412: first coupling portion
510: first vertical frame 511: installation plate
520: second vertical frame 530: horizontal frame
601: handle portion 602: clamp portion
603: concave portion 610, 611: slit
621: bottom portion 622: convex portion
1100: unlocking line 1101: handle

Claims (9)

A pair of vertical frames extending in the vertical direction; A horizontal frame extending in a horizontal direction to connect the upper ends of the pair of vertical frames to each other; And a first door leaf and a second door leaf installed to move in a vertical direction along the pair of vertical frames,
In the first vertical frame of the pair of vertical frames,
A screw is installed coupled to the drive motor so that it can be rotated by the drive motor,
A screw movable part is coupled to a part of the screw so that the screw is rotatable,
A movable part fixing piece is fixedly coupled to one side of the screw movable part, a block fixing piece is fitted to the movable part fixing piece, and a first door leaf and a part are fixedly coupled to one side of the block fixing piece. It is fixedly coupled with the other part of the rotating drive part,
A connection pin is fitted to fix a portion to which the movable part fixing piece and the block fixing piece are coupled,
The block fixing piece includes a'b'-shaped handle portion for fixedly coupling with the other portion of the first rotation drive portion, and a'N'-shaped clamp portion extending to one end of the handle portion and having a concave portion formed therein. and,
The N-shaped clamp portion is formed with a pair of second connection pin through holes for coupling the connection pin in the horizontal direction,
Screen door device. delete The method of claim 1,
The movable part fixing piece includes a'b'-shaped bottom portion and a convex portion having the shape of the concave portion so as to be fitted to the concave portion in a portion on the bottom portion,
The convex portion of the movable part fixing piece is formed with a first connection pin through hole through which the connection pin is coupled,
A screw passage hole through which the screw passes is formed at the bottom of the movable part fixing piece,
Screen door device. The method of claim 1,
The first rotation drive unit includes a first chain segment, a first block, a second chain segment, and a first weight,
One end of the first chain segment is fixedly coupled to the first end of the first block of the first block, and one end of the second chain segment is fixedly coupled to the second end of the first block. ,
The third end of the first block is fixedly coupled to the first door leaf, and the fourth end of the first block is fixedly coupled to the block fixing piece,
The other end of the first chain segment and the other end of the second chain segment are fixedly coupled to each other by the first weight,
Screen door device. The method of claim 4,
The first chain segment and the second chain segment are movably coupled to the outer circumferential surfaces of a plurality of front sprockets,
Screen door device. The method of claim 5,
The front sprocket includes a pair of upper front sprockets and a pair of lower front sprockets,
The pair of upper front sprockets are installed to have a predetermined distance, and the pair of lower front sprockets are installed to have a predetermined distance,
Screen door device. The method of claim 1,
Further comprising an upper screw fixing bearing portion and a lower screw fixing bearing portion respectively coupled to the upper and lower sides of the screw to fix the screw,
Screen door device. The method of claim 5,
The second front sprocket among the plurality of front sprockets is fixedly coupled to the upper rear sprocket through the first axis, and the fourth front sprocket among the plurality of front sprockets is fixedly coupled to the lower rear sprocket through the second axis,
One end of the third chain segment is fixedly coupled to one end of the second block fixedly coupled to the second door leaf, and one end of the fourth chain segment is fixedly coupled to the other end of the second block,
The other end of the third chain segment and the other end of the fourth chain segment are fixedly coupled to each other by a second weight,
The third chain segment and the fourth chain segment are movably coupled to the outer circumferential surface of the rear sprocket,
Screen door device. The method of claim 8,
The screen door apparatus, characterized in that the diameter of the rear sprocket is larger than the diameter of the front sprocket by a predetermined value.

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